Thirteen winners of the Alfred I. duPont-Columbia University Awards were announced today by Columbia University’s Graduate School of Journalism. Eight of this year’s recipients feature investigative reporting, including stories from ABC News and CBS News. Five local television stations will be honored, including KCET, Los Angeles. For the first time, a multimedia story from a print-based news organization will win a duPont Award. The Las Vegas Sun will be honored for multimedia reporting on gambling addiction.